[1] Hayman's first Australian representative appearance was in the men's coxed four at the 1993 World Rowing Championships in Roudnice.

That crew placed fifth as did Hayman's next representative boat, the coxed four who raced at the 1994 World Championships in Indianapolis.

[2] In 1998 Australia's prominent world class crew the Oarsome Foursome returned to elite rowing from the break that followed their 1996 Olympic success.

At the 1998 Cologne World Championships they rowed in a number of combinations including coxed crews steered by Hayman.

The Australian eight won their heat beating the eventual gold medallists Great Britain in a time faster than the final.